ScienceDaily: Latest Science News

---

• Memories Exist Even When Forgotten, Study Suggests
• Link Found Between Common Sexual Infection And Risk Of Aggressive Prostate Cancer
• New Robot Travels Across The Seafloor To Monitor The Impact Of Climate Change On Deep-sea Ecosystems
• Obesity, Alcohol Consumption And Smoking Increase Risk Of Second Breast Cancer
• Novel Bacterial Strains Clear Algal Toxins From Drinking Water
• Machines Can't Replicate Human Image Recognition, Yet
• Tornado Threat Increases As Gulf Hurricanes Get Larger
• New Type Of Adult Stem Cells Found In Prostate May Be Involved In Cancer Development
• Model Backs Green Tea And Lemon Claim, Lessens Need To Test Animals
• Gene Variant Heightens Risk Of Severe Liver Disease In Cystic Fibrosis
• Turning Bacteria Into Protein Production Factories
• Vet Says Owners Should Exercise With Their Dogs Based On Specific Needs To Prevent Obesity
• Scientists Use MicroRNAs To Track Evolutionary History For First Time
• Deficits In Brain's Reward System Observed In ADHD Patients; Low Levels Of Dopamine Markers May Underlie Symptoms
• Individual Cells Isolated From Biological Clock Can Keep Daily Time, But Are Unreliable
• Melanosome Dynamics And Sensitivity Of Melanoma Cells To Chemotherapy
• Harnessing Bacteria To Make Fuel Cells More Efficient
• US Prison System Falls Short In Treating Drug Addiction, Study Finds
• Nicotine Creates Stronger Memories, Cues To Drug Use
• Piece From Childhood Virus May Save Soldiers' Lives
• Environmentally 'Green' Beer: Munich Brewing Engineers Research Energy Savings
• Pioneering Research Forms Basis For First-Ever Pediatric Hypertension Guidelines
• How Manuka Honey Helps Fight Infection
• K-12 Education Should Include Engineering, Experts Say
• Ancient Oceans Offer New Insight Into Origins Of Animal Life
• Necessary Process In Forming Long-term Memory Identified
• Britain’s First Dual Fuel Bus Will Cut Emissions By Half
• To Contract Or Not To Contract: Decision Controlled By 2 MicroRNAs
• Improving Hardiness In Grapes: Research Probes Day Length Sensing
• War, Genocide 'Difficult Knowledge' To Teach Younger Students
• Genome Of Irish Potato Famine Pathogen Decoded
• Toward A Nanomedicine For Brain Cancer
• Fermi Large Area Telescope Reveals Pulsing Gamma-ray Sources
• Regular Aerobic Exercise Reduces Health Concerns Associated With Fatty Liver
• Accurate Predictions In A Limited Calculation Time
• Public Policy Should Promote Family Mealtimes, Researchers Urge
• Hubble Opens New Eyes On The Universe
• Emerging New Monkey Malaria Species Potential Deadly In Humans
• LED Light And Green Tea Cream Smooth Facial Wrinkles
• Lead In Bone Associated With Increased Risk Of Death From Cardiovascular Disease In Men
• Thin Films Showing Promise For Solar Applications
• Doctors Fear Asking Mentally Ill To Quit Smoking
• New Species Of Giant Rat Discovered In Crater Of Volcano
• Scientists Identify Genes Linked To Lou Gehrig's Disease
• Arctic Oil: A Boon For Nest Predators
• Some Mysteries Of Neonatal Seizures Explained
• Organic Weed Control For Dandelions
• Four-fifths Of Businesses Foresee Problems Maintaining Operations If H1N1 Flu Outbreak

Memories Exist Even When Forgotten, Study Suggests Posted: 10 Sep 2009 11:00 AM PDT A woman looks familiar, but you can't remember her name or where you met her. New research suggests the memory exists -- you simply can't retrieve it.

Link Found Between Common Sexual Infection And Risk Of Aggressive Prostate Cancer Posted: 10 Sep 2009 11:00 AM PDT A new study has found a strong association between the common sexually transmitted infection, Trichomonas vaginalis, and risk of advanced and lethal prostate cancer in men.

New Robot Travels Across The Seafloor To Monitor The Impact Of Climate Change On Deep-sea Ecosystems Posted: 10 Sep 2009 11:00 AM PDT Like the robotic rovers Spirit and Opportunity, which wheeled tirelessly across the dusty surface of Mars, a new robot spent most of July traveling across the muddy ocean bottom, about 40 kilometers (25 miles) off the California coast. This robot, the Benthic Rover, has been providing scientists with an entirely new view of life on the deep seafloor. It will also give scientists a way to document the effects of climate change on the deep sea.

Obesity, Alcohol Consumption And Smoking Increase Risk Of Second Breast Cancer Posted: 10 Sep 2009 11:00 AM PDT A new study has found that obesity, alcohol use and smoking all significantly increase the risk of second breast cancer among breast cancer survivors.

Novel Bacterial Strains Clear Algal Toxins From Drinking Water Posted: 10 Sep 2009 11:00 AM PDT Researchers have identified novel bacterial strains capable of neutralizing toxins produced by blue-green algae.

Machines Can't Replicate Human Image Recognition, Yet Posted: 10 Sep 2009 11:00 AM PDT While computers can replicate many aspects of human behavior, they do not possess our ability to recognize distorted images, according to a team of researchers.

Tornado Threat Increases As Gulf Hurricanes Get Larger Posted: 10 Sep 2009 08:00 AM PDT Tornadoes that occur from hurricanes moving inland from the Gulf Coast are increasing in frequency, according to researchers. This increase seems to reflect the increase in size and frequency among large hurricanes that make landfall from the Gulf of Mexico.

New Type Of Adult Stem Cells Found In Prostate May Be Involved In Cancer Development Posted: 10 Sep 2009 08:00 AM PDT A new type of stem cell discovered in the prostate of adult mice can be a source of prostate cancer, according to a new study.

Model Backs Green Tea And Lemon Claim, Lessens Need To Test Animals Posted: 10 Sep 2009 08:00 AM PDT An animal study has shown that adding ascorbic acid and sugar to green tea can help the body absorb helpful compounds and also demonstrates the effectiveness of a model that could reduce the number of animals needed for these types of studies.

Gene Variant Heightens Risk Of Severe Liver Disease In Cystic Fibrosis Posted: 10 Sep 2009 08:00 AM PDT New research could lead to earlier detection and diagnosis of cystic fibrosis liver disease and better treatment options for the patients affected by the disease.

Turning Bacteria Into Protein Production Factories Posted: 10 Sep 2009 08:00 AM PDT By adapting a single protein on the surface of the bacterium Caulobacter crescentus, researchers have turned it into a protein production factory, making useful proteins that can act as vaccines and drugs.

Vet Says Owners Should Exercise With Their Dogs Based On Specific Needs To Prevent Obesity Posted: 10 Sep 2009 08:00 AM PDT People and their dogs both need physical activity to fight obesity, and there are many exercises that owner and pet can do together that can improve their health and their relationship. Dogs, like people, reap many benefits from exercise, according to one veterinarian, who adds there are physical and mental health advantages for the dog owner and the dog when they exercise together.

Scientists Use MicroRNAs To Track Evolutionary History For First Time Posted: 10 Sep 2009 05:00 AM PDT Scientists have used microRNA data to investigate the evolutionary relationships of annelids, which include earthworms, leeches and bristle worms, to show that this large animal group evolved as a single, unique evolutionary branch. Their work represents the first time that microRNAs have been used to study the evolutionary relationships between organisms.

Deficits In Brain's Reward System Observed In ADHD Patients; Low Levels Of Dopamine Markers May Underlie Symptoms Posted: 10 Sep 2009 05:00 AM PDT A brain-imaging study provides the first definitive evidence that patients suffering from attention deficit hyperactivity disorder have lower-than-normal levels of certain proteins essential for experiencing reward and motivation.

Individual Cells Isolated From Biological Clock Can Keep Daily Time, But Are Unreliable Posted: 10 Sep 2009 05:00 AM PDT Researchers have shown that individual cells isolated from the biological clock can keep daily time all by themselves. However, by themselves, they are unreliable. The neurons get out of synch. The 20,000 neurons comprising the biological clock, remarkably, contain the machinery to generate daily, or circadian, rhythms in gene expression and electrical activity. But the individual cells are sloppy and must communicate with one another to establish a coherent 24-hour rhythm.

Melanosome Dynamics And Sensitivity Of Melanoma Cells To Chemotherapy Posted: 10 Sep 2009 05:00 AM PDT Manipulating the functions of melanosomes -- the organelles in pigment-producing cells -- may enhance the activity of anticancer drugs used against melanoma, according to a new study.

Harnessing Bacteria To Make Fuel Cells More Efficient Posted: 10 Sep 2009 05:00 AM PDT Bacteria that generate significant amounts of electricity could be used in microbial fuel cells to provide power in remote environments or to convert waste to electricity. Researchers isolated bacteria with large numbers of tiny projections called pili which were more efficient at transferring electrons to generate power in fuel cells than bacteria with a smooth surface.

US Prison System Falls Short In Treating Drug Addiction, Study Finds Posted: 10 Sep 2009 05:00 AM PDT More than 200,000 individuals addicted to heroin, an opiate, are incarcerated in the US each year. Opiate replacement therapy is effective, yet is only available in half of US prison systems, usually in limited circumstances. Few prison systems provide referrals to inmates for treatment programs after release.

Nicotine Creates Stronger Memories, Cues To Drug Use Posted: 10 Sep 2009 02:00 AM PDT Ever wonder why former smokers miss lighting up most when they are in a bar or after a meal with friends? Researchers say nicotine, the addictive component in cigarettes, "tricks" the brain into creating memory associations between environmental cues and smoking behavior.

Piece From Childhood Virus May Save Soldiers' Lives Posted: 10 Sep 2009 02:00 AM PDT A harmless shard from the shell of a common childhood virus may halt a biological process that kills a significant percentage of battlefield casualties, heart attack victims and oxygen-deprived newborns, according to new research.

Environmentally 'Green' Beer: Munich Brewing Engineers Research Energy Savings Posted: 10 Sep 2009 02:00 AM PDT Brewing engineers in Germany are investigating a new process combination that could enable beer makers to cut their energy consumption by as much as 20 percent. They propose a new production chain linking combined heat and power stations, which so far have proven unsuitable for breweries, with a thermo-chemical zeolite heat storage system. They further plan to model the energy balance of an entire brewery to realize savings from the cleaning system through the bottling plant.

Pioneering Research Forms Basis For First-Ever Pediatric Hypertension Guidelines Posted: 10 Sep 2009 02:00 AM PDT Comprehensive guidelines for the treatment and management of hypertension in children and adolescents are being published for the first time in the latest issue of the Journal of Hypertension.

How Manuka Honey Helps Fight Infection Posted: 10 Sep 2009 02:00 AM PDT Manuka honey may kill bacteria by destroying key bacterial proteins. Researchers investigated the mechanisms of manuka honey action and found that its anti-bacterial properties were not due solely to the sugars present in the honey.

K-12 Education Should Include Engineering, Experts Say Posted: 10 Sep 2009 02:00 AM PDT The introduction of K-12 engineering education has the potential to improve student learning and achievement in science and mathematics, increase awareness about what engineers do and of engineering as a potential career and boost students' technological literacy, according to a new report from the National Academy of Engineering and the National Research Council.

Ancient Oceans Offer New Insight Into Origins Of Animal Life Posted: 09 Sep 2009 11:00 PM PDT Analysis of a rock type found only in the world's oldest oceans has shed new light on how large animals first got a foothold on Earth.

Necessary Process In Forming Long-term Memory Identified Posted: 09 Sep 2009 11:00 PM PDT A new study has identified another component in the chain of actions that take place in the neurons in the process of forming memories. This discovery joins a line of findings from previous studies that together provide a better understanding of the most complex processes in nature -- the process of memory formation and storage in the human brain.

Britain’s First Dual Fuel Bus Will Cut Emissions By Half Posted: 09 Sep 2009 11:00 PM PDT A consortium brought together by low carbon experts is launching the first bus in the UK to run on clean, biomethane gas.

To Contract Or Not To Contract: Decision Controlled By 2 MicroRNAs Posted: 09 Sep 2009 11:00 PM PDT New research has provided insight into the molecular regulators of the function of muscle cells in the walls of blood vessels, i.e., vascular smooth muscle cells. Specifically, the acquisition and/or maintenance of the ability of VSMCs to contract and relax, thereby modulating blood pressure and distributing blood to the areas of the body that need it most, was found to be controlled in mice by two small RNA molecules known miR-143 and miR-145.

Improving Hardiness In Grapes: Research Probes Day Length Sensing Posted: 09 Sep 2009 11:00 PM PDT Scientists are a step closer to improving the hardiness of grape varieties that can be damaged and destroyed by fall frosts and cold winters in North American vineyards.

War, Genocide 'Difficult Knowledge' To Teach Younger Students Posted: 09 Sep 2009 11:00 PM PDT An education professor says the study of genocide and "difficult knowledge" of historical events is best left to high school students.

Genome Of Irish Potato Famine Pathogen Decoded Posted: 09 Sep 2009 08:00 PM PDT An international research team has decoded the genome of the notorious organism that triggered the Irish potato famine in the mid-19th century and now threatens this season's tomato and potato crops across much of the US. The study reveals an unusually large genome size -- more than twice that of closely related species -- and an extraordinary genome structure, which together appear to enable the rapid evolution of genes, particularly those involved in plant infection.

Toward A Nanomedicine For Brain Cancer Posted: 09 Sep 2009 08:00 PM PDT In an advance toward better treatments for the most serious form of brain cancer, scientists in Illinois are reporting development of the first nanoparticles that seek out and destroy brain cancer cells without damaging nearby healthy cells.

Fermi Large Area Telescope Reveals Pulsing Gamma-ray Sources Posted: 09 Sep 2009 08:00 PM PDT Scientists have positively identified cosmic sources of gamma-ray emissions through the discovery of 16 pulsating neutron stars. Using the Large Area Telescope, the primary instrument on NASA's Fermi Gamma-ray Space Telescope satellite, the discoveries were made by conducting blind frequency searches on the sparse photon data provided by the LAT.

Regular Aerobic Exercise Reduces Health Concerns Associated With Fatty Liver Posted: 09 Sep 2009 08:00 PM PDT Researchers in Australia determined that patients with a sedentary lifestyle who engage in routine physical activities lower their risk of nonalcoholic fatty liver disease (NAFLD). The lower risk of problems associated with fatty liver was not contingent upon weight loss, but a direct result from the increased aerobic exercise.

Accurate Predictions In A Limited Calculation Time Posted: 09 Sep 2009 08:00 PM PDT Air, road traffic and water flows can only be accurately predicted with computer simulations if the computers can automatically focus on important changes in an area, say researchers.

Public Policy Should Promote Family Mealtimes, Researchers Urge Posted: 09 Sep 2009 08:00 PM PDT Researchers urges local, state, and federal governments, businesses, and community leaders to promote family mealtimes as a matter of public policy.

Hubble Opens New Eyes On The Universe Posted: 09 Sep 2009 05:00 PM PDT NASA's Hubble Space Telescope is back in business, ready to uncover new worlds, peer ever deeper into space, and even map the invisible backbone of the universe. The first snapshots from the refurbished Hubble showcase the 19-year-old telescope's new vision. Topping the list of exciting new views are colorful multi-wavelength pictures of far- flung galaxies, a densely packed star cluster, an eerie "pillar of creation," and a "butterfly" nebula.

Emerging New Monkey Malaria Species Potential Deadly In Humans Posted: 09 Sep 2009 05:00 PM PDT Researchers in Malaysia have identified key laboratory and clinical features of an emerging new form of malaria infection. The research confirms the potentially deadly nature of the disease.

LED Light And Green Tea Cream Smooth Facial Wrinkles Posted: 09 Sep 2009 05:00 PM PDT Scientists are reporting a major improvement in their potential new treatment for facial wrinkles that could emerge as an alternative to Botox and cosmetic surgery. The noninvasive technique combines high-intensity light from light-emitting diodes (LEDs) and a lotion made of green tea extract. It works 10 times faster than a similar anti-wrinkle treatment that uses LEDs alone, the researchers say.

Lead In Bone Associated With Increased Risk Of Death From Cardiovascular Disease In Men Posted: 09 Sep 2009 05:00 PM PDT Researchers found that bone lead was associated with a higher risk of death from all causes, particularly from cardiovascular disease. It is the first study to analyze the association between bone lead and mortality.

Thin Films Showing Promise For Solar Applications Posted: 09 Sep 2009 05:00 PM PDT Researchers in Israel have developed thin films that exhibit carrier multiplication. This development is of great interest for future solar cells. The team demonstrated that for a given photon energy, carrier multiplication occurs more efficiently in bulk PbS and PbSe films than in nanocrystalline films of the same materials.

Doctors Fear Asking Mentally Ill To Quit Smoking Posted: 09 Sep 2009 05:00 PM PDT People with mental illnesses such as depression and anxiety are the heaviest smokers in the country, but their doctors are afraid to ask them to quit. They assume if their patients try to quit, their mental disorders will get worse. That is a myth, according to a tobacco addiction specialist. This population's tobacco use needs to be treated, he says.

New Species Of Giant Rat Discovered In Crater Of Volcano Posted: 09 Sep 2009 02:00 PM PDT A biologist has discovered a new species of giant rat on a filmmaking expedition to a remote rainforest in New Guinea.

Scientists Identify Genes Linked To Lou Gehrig's Disease Posted: 09 Sep 2009 02:00 PM PDT Researchers have linked three genes to the most common type of amyotrophic lateral sclerosis (ALS), generally known as Lou Gehrig's disease.

Arctic Oil: A Boon For Nest Predators Posted: 09 Sep 2009 02:00 PM PDT Oil development in the Arctic is impacting some bird populations by providing "subsidized housing" to predators, which nest and den around drilling infrastructure and supplement their diets with garbage -- and nesting birds.

Some Mysteries Of Neonatal Seizures Explained Posted: 09 Sep 2009 02:00 PM PDT A new study provides new insight into the mechanism of neonatal seizures, which have features very different from seizures in older children and adults. The finding that neurons in different parts of the brains of newborn mammals respond differently to the neurotransmitter GABA may explain why seizures in the neonatal brain may not produce visible convulsions and why the antiseizure drug phenobarbital can exacerbate the invisible nature of neonatal seizures.

Organic Weed Control For Dandelions Posted: 09 Sep 2009 02:00 PM PDT Spring and summer often find homeowners out in their yards, busily attempting to control the onslaught of dandelions in a quest for green, weed-free lawns. Responding to criticism that synthetic herbicides can be harmful to the environment, researchers around the world are experimenting with organically derived weed control methods. Researchers recently studied the effectiveness of pesticide-free mulched maple and oak leaves on common dandelions in established Kentucky bluegrass comparable to residential lawns.

Four-fifths Of Businesses Foresee Problems Maintaining Operations If H1N1 Flu Outbreak Posted: 09 Sep 2009 02:00 PM PDT In a national survey of businesses that looks at their preparations for a possible widespread H1N1 outbreak, researchers found that only one-third believe they could sustain their business without severe operational problems if half their workforce were absent for two weeks due to H1N1.

You are subscribed to email updates from ScienceDaily: Latest Science News To stop receiving these emails, you may unsubscribe now.	Email delivery powered by Google
Google Inc., 20 West Kinzie, Chicago IL USA 60610